Transducer
United States Patent 3160716
US Patent References:
Loud speaker motor
- - 1921924
Electrodynamic loud speaker
- - 1962012
Electrodynamic loudspeaker and mounting therefor
- - 2522859
Voice coil for radio loud-speakers
- - 2538691
Electrical recording instrument for electrocardiographs
- - 2590554
Loud speaker motor
- - 1921924
Electrodynamic loud speaker
- - 1962012
Electrodynamic loudspeaker and mounting therefor
- - 2522859
Voice coil for radio loud-speakers
- - 2538691
Electrical recording instrument for electrocardiographs
- - 2590554
Inventors:
Luth, Harold J.
Publication Date:
12/08/1964
View Patent Images:
Export Citation:
Assignee:
HARSYD CHEMICALS INC
Primary Class:
Other Classes:
381/412, 381/403
International Classes:
H04R9/04; H04R9/00
US Patent References:
| 2862069 | Dynamic transducer |
Foreign References:
| GB447846A | ||||
| AT119719B | ||||
| GB253159A |